Duplex Gravity Filter (DGF)

Source: Smith & Loveless, Inc.


The Smith & Loveless Duplex Gravity Filter (DGF) removes suspended solids and particles, improving effluent quality. The standard system is available in sizes to fit any application, providing up to 200 square feet (18.6 square meters) of effective filtration area per unit. Dual media filtration increases filtration depth and limits the head loss problems associated with single-media designs.

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Features and Benefits:

  • Duplex design allows one cell to operate while the other backwashes, requiring only one DGF unit for continuous operation.
  • Integral backwash storage and mudwell
  • The mudwell’s backwash water is metered back to the plant for reprocessing.
  • Integral DGF is designed for inclusion within Smith & Loveless wastewater treatment systems such as the ADDIGEST® and Model R OXIGEST® plants.


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